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Finding the Fourth Proportional to 269,707.20, 404,463.60 and 136,543.20

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Solution

The fourth proportional to 269,707.20, 404,463.60 and 136,543.20 is: 204,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,707.20 : 404,463.60 = 136,543.20 : x
  2. Step 2: Convert to fraction form
    269,707.20/404,463.60 = 136,543.20/x
  3. Step 3: Cross multiply
    269,707.20x = 404,463.60 × 136,543.20
  4. Step 4: Simplify right side
    269,707.20x = 55,226,754,227.52
  5. Step 5: Solve for x
    x = 55,226,754,227.52/269,707.20
  6. Step 6: Final answer
    x = 204,765.59

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